Question

OR
Simplify: (a + b +c)(a + b - c).​

Answer 1

Answer:

Question :-

(a + b + c)(a + b - c)

Answer :-

➠(a + b + c)(a + b - c)

➻ a(a + b - c) + b(a + b - c) + c(a + b - c)

➻ a² + ab - ac + ab + b² - bc + ac + bc - c²

➻ a² + b² - c² + ab + ab - ac + ac - bc + bc

➻ a² + b² - c² + 2ab

Answer 2

Step-by-step explanation:

Hope my answer helps you !!!!